2 papers
hep-ph2026
Circumstellar Medium of Supernovae as New Probes for Feebly-interacting Particles
Yu Cheng, Chui-Fan Kong, Yen-Hsun Lin +2
We propose a novel strategy to probe feebly-interacting particles (FIPs) by exploiting the dense, confined circumstellar medium (CSM) surrounding core-collapse supernovae (CCSNe).…
hep-ph2025
The Heavy Dark Photon Handbook: Cosmological and Astrophysical Bounds
Andrea Caputo, Jaeyoung Park, Seokhoon Yun
We investigate cosmological and astrophysical constraints on dark photons with masses - MeV. These dark photons can be copiously produced either in the early un…